*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html,body{
    width:100%;
    height: 100%;
    overflow-x: hidden;
    font-family: "微软雅黑";
    margin:0;
    overflow-y:auto;
    -webkit-overflow-scrolling: touch;
    padding:0
}
.all{
    width: 100%;
    height:100%;
    overflow-x: hidden;
    overflow-y: auto;
    background: #f5f5f5;
}
.one_year{
    width: calc(100% - 24px);
    height: auto;
    border: 1px solid #cecece;
    border-radius: 6px;
    margin-top: 20px;
    background:#ffffff;
    margin-left:12px;
    position: relative;
}
.tag_img{
    display: block;
    position: absolute;
    top: -10px;
    left: -1px;
    height: 20px;
}
.top_title_price{
    display: flex;
    width: 100%;
    justify-content: space-between;
}
.course_title{
    font-size:18px;
    color: #333333;
    margin-left: 10px;
    margin-top: 14px;
}
.price_box{
    display: flex;
}
.original{
    font-size: 14px;
    color:#cccccc;
    margin-top: 16px;
    text-decoration:line-through;
    margin-right: 10px;
}
.price{
    font-size: 24px;
    color: #ff7d7d;
    text-shadow: 0 2px 4px #ffabab;
    margin-top: 10px;
    margin-right: 10px;
}
.center_content_box{
    background: #f4f4f4;
    border-radius: 6px;
    margin-top:14px;
    width: calc(100% - 20px);
    padding-bottom: 10px;
    margin-left:10px;
}
.content_box{
    float: left;
    margin-left: calc((100% - 240px) / 6);
    width: 48px;
    margin-top: 10px;
}
.content_title{
    font-size: 12px;
    color:#333333;
}
.content_number{
    width: 48px;
    height: 20px;
    text-align: center;
    background: white;
    border-radius: 6px;
    line-height: 20px;
    color:#ff7d7d;
    margin-top: 4px;
}
.course_desc{
    font-size: 12px;
    color:#333333;
    margin-left: 10px;
    margin-top: 5px;
    margin-bottom: 5px;
}
.month_choose_box{
    width: 100%;
    background:white;
    margin-top: 10px;
    padding-bottom: 10px;
    margin-bottom: 90px;
}
.month_choose_title{
    font-size:14px;
    color:#ff7d7d;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
}
.month_choose_click_box{
    height: 30px;
    width: 354px;
    border-radius: 15px;
    background: #efefef;
    margin-bottom: 10px;
    margin-left: calc((100% - 354px) / 2);
}
.month_choose_click_box div{
    width: 30px;
    height: 30px;
    float: left;
    text-align: center;
    line-height: 30px;
    border-radius: 15px;
    font-size: 16px;
    margin-right: 6px;
    color:#333333;
}
.month_choose_click_box div:nth-last-of-type(1){
    margin: 0;
}
.month_choose_click_box:nth-last-of-type(1){
    width: 210px;
    margin-bottom: 0;
}
.coupon_box{
    position: fixed;
    width: 100%;
    height:30px;
    overflow-y: hidden;
    margin-bottom: 60px;
    bottom: 0;
}
.coupon_box img{
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
.coupon_title{
    color:white;
    position:absolute;
    top: 0;
    left: 0;
    line-height: 30px;
    margin-left: 10px;
    font-size: 14px;
}
.bottom_position_box{
    height: 60px;
    width: 100%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
}
.bottom_title{
    font-size:20px;
    color: #333333;
    margin-left: 10px;
}
.bottom_price{
    color: #ff7d7d;
}
.bottom_position_box img{
    height: 40px;
    margin-right: 10px;
}
.alert_bg,.error_bg{
    width: 100%;
    height:100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 100;
    background: rgba(0,0,0,0.5);
    display: none;
}
.alert_box,.error_box{
    width: 300px;
    height: 154px;
    background: white;
    border-radius: 10px;
    position: absolute;
    top: calc((100% - 154px) / 2);
    left: calc((100% - 300px) / 2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.alert_text,.error_text{
    font-size: 16px;
    color: #333333;
    margin-top: 20px;
    width: calc(100% - 20px);
    margin-left: 10px;
}
.close_btn,.error_btn{
    margin-bottom: 10px;
    width: calc(100% - 20px);
    margin-left: 10px;
    height: 40px;
    border-radius: 10px;
    color: white;
    text-align: center;
    line-height: 40px;
    border: none;
    background: #ff7d7d;
    outline: none;
}
.tips{
    width: 230px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    color: white;
    font-size: 16px;
    position: absolute;
    left: calc((100% - 230px) / 2);
    top: 20px;
    z-index: 100;
    background: rgba(0,0,0,0.7);
    border-radius: 10px;
    display: none;
}
a{
    text-decoration: none;
}
